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  • 超市账单管理系统之-------登录

    报500的错大部分都是springmvc的jar包没有导对，最好用3点几的版本 。。。。在项目中要把包导对 

    pom.xml

    所需要的jar包

      1 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  2   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  3   <modelVersion>4.0.0</modelVersion>
  4   <groupId>cn.happy</groupId>
  5   <artifactId>01sup</artifactId>
  6   <packaging>war</packaging>
  7   <version>1.0-SNAPSHOT</version>
  8   <name>01sup Maven Webapp</name>
  9   <url>http://maven.apache.org</url>
 10   <dependencies>
 11     <dependency>
 12       <groupId>junit</groupId>
 13       <artifactId>junit</artifactId>
 14       <version>4.3</version>
 15       <scope>test</scope>
 16     </dependency>
 17     <dependency>
 18       <groupId>org.springframework</groupId>
 19       <artifactId>spring-context</artifactId>
 20       <version>4.2.0.RELEASE</version>
 21     </dependency>
 22 
 23     <dependency>
 24       <groupId> org.aspectj</groupId >
 25       <artifactId> aspectjweaver</artifactId >
 26       <version> 1.8.7</version >
 27     </dependency>
 28 
 29     <dependency>
 30       <groupId>org.springframework</groupId>
 31       <artifactId>spring-webmvc</artifactId>
 32       <version>3.2.4.RELEASE</version>
 33     </dependency>
 34 
 35     <!--SpringWeb-->
 36     <dependency>
 37       <groupId>org.springframework</groupId>
 38       <artifactId>spring-web</artifactId>
 39       <version>4.1.8.RELEASE</version>
 40     </dependency>
 41 
 42     <!--ServletAPI-->
 43     <dependency>
 44       <groupId>javaee</groupId>
 45       <artifactId>javaee-api</artifactId>
 46       <version>5</version>
 47     </dependency>
 48 
 49     <dependency>
 50       <groupId>javax.servlet</groupId>
 51       <artifactId>jstl</artifactId>
 52       <version>1.2</version>
 53       <scope>runtime</scope>
 54     </dependency>
 55 
 56     <!--fastjson的jar包-->
 57     <dependency>
 58       <groupId>com.alibaba</groupId>
 59       <artifactId>fastjson</artifactId>
 60       <version>1.2.9</version>
 61     </dependency>
 62 
 63     <!--jacksonjar包-->
 64     <dependency>
 65       <groupId>com.fasterxml.jackson.core</groupId>
 66       <artifactId>jackson-core</artifactId>
 67       <version>2.5.4</version>
 68     </dependency>
 69 
 70     <dependency>
 71       <groupId>com.fasterxml.jackson.core</groupId>
 72       <artifactId>jackson-annotations</artifactId>
 73       <version>2.5.0</version>
 74     </dependency>
 75 
 76 
 77     <dependency>
 78       <groupId>com.fasterxml.jackson.core</groupId>
 79       <artifactId>jackson-databind</artifactId>
 80       <version>2.5.4</version>
 81     </dependency>
 82 
 83     <!--数据验证-->
 84     <dependency>
 85       <groupId>org.hibernate</groupId>
 86       <artifactId>hibernate-validator</artifactId>
 87       <version>4.0.1.GA</version>
 88     </dependency>
 89 
 90 
 91     <!--jboss logging-->
 92     <dependency>
 93       <groupId>org.jboss.logging</groupId>
 94       <artifactId>jboss-logging</artifactId>
 95       <version>3.3.0.Final</version>
 96     </dependency>
 97 
 98     <!--validation api-->
 99     <dependency>
100       <groupId>javax.validation</groupId>
101       <artifactId>validation-api</artifactId>
102       <version>1.0.0.GA</version>
103     </dependency>
104 
105     <!--slf4j api-->
106     <dependency>
107       <groupId>org.slf4j</groupId>
108       <artifactId>slf4j-api</artifactId>
109       <version>1.7.21</version>
110     </dependency>
111 
112 
113     <!--文件上传的jar包-->
114 
115     <dependency>
116       <groupId>commons-fileupload</groupId>
117       <artifactId>commons-fileupload</artifactId>
118       <version>1.3.1</version>
119     </dependency>
120 
121     <dependency>
122       <groupId>commons-io</groupId>
123       <artifactId>commons-io</artifactId>
124       <version>1.4</version>
125     </dependency>
126 
127     <dependency>
128       <groupId>org.springframework</groupId>
129       <artifactId>spring-tx</artifactId>
130       <version>4.2.5.RELEASE</version>
131     </dependency>
132 
133     <!--Mybatis  jar -->
134 
135     <!--mysql数据库驱动-->
136     <dependency>
137       <groupId>org.wisdom-framework</groupId>
138       <artifactId>mysql-connector-java</artifactId>
139       <version>5.1.34_1</version>
140     </dependency>
141 
142     <!--mybatis jar包-->
143     <dependency>
144       <groupId>org.mybatis</groupId>
145       <artifactId>mybatis</artifactId>
146       <version>3.2.2</version>
147     </dependency>
148 
149     <!--Mybatis+Spring整合-->
150     <dependency>
151       <groupId>org.mybatis</groupId>
152       <artifactId>mybatis-spring</artifactId>
153       <version>1.3.1</version>
154     </dependency>
155 
156     <!--c3p0-->
157     <dependency>
158       <groupId>com.mchange</groupId>
159       <artifactId>c3p0</artifactId>
160       <version>0.9.5.2</version>
161     </dependency>
162 
163     <dependency>
164       <groupId>org.springframework</groupId>
165       <artifactId>spring-jdbc</artifactId>
166       <version>4.2.5.RELEASE</version>
167     </dependency>
168 
169     <dependency>
170       <groupId>com.google.code.gson</groupId>
171       <artifactId>gson</artifactId>
172       <version>2.8.0</version>
173     </dependency>
174 
175   </dependencies>
176 
177   <build>
178     <resources>
179       <resource>
180         <directory>src/main/java</directory>
181         <includes>
182           <include>**/*.xml</include>
183         </includes>
184       </resource>
185     </resources>
186   </build>
187 </project>
    View Code

    1.

    先编写实体类

     1 public class UserInfo {
 2     private Integer id; //id
 3     private String userCode; //用户编码
 4     private String userName; //用户名称
 5     private String userPassword; //用户密码
 6     private Integer gender;  //性别
 7     private Date birthday;  //出生日期
 8     private String phone;   //电话
 9     private String address; //地址
10     private Integer userRole;    //用户角色
11     private Integer createdBy;   //创建者
12     private Date creationDate; //创建时间
13     private Integer modifyBy;     //更新者
14     private Date modifyDate;   //更新时间
15 
16 
17 }
    View Code

    2.dao层

    1  //登录的方法
2     public UserInfo isLogin(UserInfo info);//登录
    View Code

    dao层中的xml

     1 <?xml version="1.0" encoding="UTF-8" ?>
 2 <!DOCTYPE mapper
 3         PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 4         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 5 <mapper namespace="cn.smbms.dao.IUserInfoDAO">
 6     <!--1.登录-->
 7     <select id="isLogin" parameterType="UserInfo" resultType="UserInfo">
 8         select usercode,userName from smbms_user where usercode=#{userCode} and userPassword=#{userPassword}
 9     </select>
10 
11 </mapper>
    View Code

    3.service层

    1    //登录的方法
2     public UserInfo isLogin(UserInfo info);
    View Code
    1 @Service("useService")
2 public class UserInfoServiceImpl implements IUserInfoService {
3     //植入dao对象
4     @Resource(name = "IUserInfoDAO")
5     IUserInfoDAO userInfoDAO;
6     public UserInfo isLogin(UserInfo info) {
7         return userInfoDAO.isLogin(info);
8     }
9 }
    View Code

    4.controller包下定义一个类植入service

     1 @Controller
 2 @RequestMapping("/user")
 3 public class UserInfoController {
 4     //植入service
 5     @Resource(name ="useService" )
 6     IUserInfoService userInfoService;
 7 
 8     //登录方法
 9     @RequestMapping("/doLogin")
10     public String doLogin(HttpSession session, UserInfo info){
11         UserInfo user = userInfoService.isLogin(info);
12         if (user!=null&&user.getUserName()!=null){
13             //登录成功
14             session.setAttribute("userinfo",user.getUserName());
15             return "welcome";
16         }else {
17             //登录失败
18             return "login";
19         }
20     }
21 }
    View Code

    5.applicationContext.xml

     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3        xmlns:context="http://www.springframework.org/schema/context"
 4        xmlns:aop="http://www.springframework.org/schema/aop"
 5        xmlns:mvc="http://www.springframework.org/schema/mvc"
 6        xmlns:tx="http://www.springframework.org/schema/tx"
 7        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 8        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
 9      http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context.xsd
10      http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
11      http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc.xsd
12      http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
13 ">
14     <!--包扫描器-->
15     <context:component-scan base-package="cn.smbms"></context:component-scan>
16     <!--mvc注解驱动   作用：创建7个HttpMessaeingConvert-->
17      <mvc:annotation-driven></mvc:annotation-driven>
18     <!--视图解析器-->
19      <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
20          <property name="prefix" value="/jsp/"></property>
21          <property name="suffix" value=".jsp"></property>
22      </bean>
23 
24     <!--识别到jdbc.properties-->
25    <context:property-placeholder location="classpath:jdbc.properties"/>
26     <!--1.数据源-->
27     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
28         <property name="driverClass" value="${jdbc.driver}"></property>
29         <property name="jdbcUrl" value="${jdbc.url}"></property>
30         <property name="user" value="${jdbc.username}"></property>
31         <property name="password" value="${jdbc.password}"></property>
32     </bean>
33 
34     <!--2.sqlSessionFactory-->
35     <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
36         <property name="dataSource" ref="dataSource"></property>
37         <property name="configLocation" value="classpath:MyBatis-config.xml"></property>
38     </bean>
39 
40     <!--3.dao 认识到Mapper-->
41     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
42         <property name="basePackage" value="cn.smbms.dao"></property>
43     </bean>
44 
45     <!--5.事务管理器-->
46     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
47         <property name="dataSource" ref="dataSource"></property>
48     </bean>
49 
50     <!--6.事务-->
51     <tx:annotation-driven transaction-manager="transactionManager"></tx:annotation-driven>
52 
53 
54 </beans>
    View Code

    6.连接到MSQ数据库  jdbc.properties

    1 jdbc.driver=com.mysql.jdbc.Driver
2 jdbc.url=jdbc:mysql:///smbms
3 jdbc.username=root
4 jdbc.password=root
    View Code

    7.MyBatis-config.xml

     1 <?xml version="1.0" encoding="UTF-8" ?>
 2 <!DOCTYPE configuration
 3         PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
 4         "http://mybatis.org/dtd/mybatis-3-config.dtd">
 5 <configuration>
 6     <!--别名-->
 7     <typeAliases>
 8         <package name="cn.smbms.entity"></package>
 9     </typeAliases>
10    <!-- &lt;!&ndash;关联小配置&ndash;&gt;
11     <mappers>
12         <mapper resource="cn/sale/dao/IUserDAO.xml"/>
13     </mappers>-->
14 
15 </configuration>
    View Code

    8.web.xml

     1 <!DOCTYPE web-app PUBLIC
 2  "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 3  "http://java.sun.com/dtd/web-app_2_3.dtd" >
 4 
 5 <web-app>
 6   <display-name>Archetype Created Web Application</display-name>
 7   <context-param>
 8     <param-name>contextConfigLocation</param-name>
 9     <param-value>classpath:applicationContext.xml</param-value>
10   </context-param>
11 
12   <filter>
13     <filter-name>CharactorEncodingFilter</filter-name>
14     <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
15     <init-param>
16       <param-name>encoding</param-name>
17       <param-value>utf-8</param-value>
18     </init-param>
19     <init-param>
20       <param-name>forceEncoding</param-name>
21       <param-value>true</param-value>
22     </init-param>
23   </filter>
24   <filter-mapping>
25     <filter-name>CharactorEncodingFilter</filter-name>
26     <url-pattern>/*</url-pattern>
27   </filter-mapping>
28 
29   <!--监听器-->
30   <listener>
31     <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
32   </listener>
33   <servlet>
34     <servlet-name>springmvc</servlet-name>
35     <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
36     <init-param>
37       <param-name>contextConfigLocation</param-name>
38       <param-value>classpath:applicationContext.xml</param-value>
39     </init-param>
40     <load-on-startup>1</load-on-startup>
41   </servlet>
42   <servlet-mapping>
43     <servlet-name>springmvc</servlet-name>
44     <url-pattern>/</url-pattern>
45   </servlet-mapping>
46   <servlet-mapping>
47     <servlet-name>default</servlet-name>
48     <url-pattern>*.js</url-pattern>
49   </servlet-mapping>
50   <servlet-mapping>
51     <servlet-name>default</servlet-name>
52     <url-pattern>*.css</url-pattern>
53   </servlet-mapping>
54   <servlet-mapping>
55     <servlet-name>default</servlet-name>
56     <url-pattern>*.jpg</url-pattern>
57   </servlet-mapping>
58   <servlet-mapping>
59     <servlet-name>default</servlet-name>
60     <url-pattern>*.bmp</url-pattern>
61   </servlet-mapping>
62   <servlet-mapping>
63     <servlet-name>default</servlet-name>
64     <url-pattern>*.gif</url-pattern>
65   </servlet-mapping>
66   <servlet-mapping>
67     <servlet-name>default</servlet-name>
68     <url-pattern>*.png</url-pattern>
69   </servlet-mapping>
70 </web-app>
    View Code

    9.把longin.xml  和welcome.xml修改为jsp形式

    login.jsp

     1 <%@ page pageEncoding="utf-8" isELIgnored="false" %>
 2 <!DOCTYPE html>
 3 <html>
 4 <head lang="en">
 5     <meta charset="UTF-8">
 6     <title>系统登录 - 超市账单管理系统</title>
 7     <link rel="stylesheet" href="css/style.css"/>
 8 </head>
 9 <body class="login_bg">
10     <section class="loginBox">
11         <header class="loginHeader">
12             <h1>超市账单管理系统</h1>
13         </header>
14         <section class="loginCont">
15             <form class="loginForm" action="${pageContext.request.contextPath}/user/doLogin">
16                 <div class="inputbox">
17                     <label for="user">用户名：</label>
18                     <input id="user" type="text" name="userCode" placeholder="请输入用户名" required/>
19                 </div>
20                 <div class="inputbox">
21                     <label for="mima">密码：</label>
22                     <input id="mima" type="password" name="userPassword" placeholder="请输入密码" required/>
23                 </div>
24                 <div class="subBtn">
25                     <input type="submit" value="登录" />
26                     <input type="reset" value="重置"/>
27                 </div>
28 
29             </form>
30         </section>
31     </section>
32 
33 </body>
34 </html>
    View Code

    welcome.jsp

     1 <%@ page pageEncoding="utf-8" isELIgnored="false" %>
 2 <!DOCTYPE html>
 3 <html>
 4 <head lang="en">
 5     <meta charset="UTF-8">
 6     <title>超市账单管理系统</title>
 7     <link rel="stylesheet" href="${pageContext.request.contextPath}/jsp/css/public.css"/>
 8     <link rel="stylesheet" href="${pageContext.request.contextPath}/jsp/css/style.css"/>
 9 </head>
10 <body>
11 <!--头部-->
12 <header class="publicHeader">
13     <h1>超市账单管理系统</h1>
14 
15     <div class="publicHeaderR">
16         <p><span>下午好！</span><span style="color: #fff21b"> Admin</span> , 欢迎你！</p>
17         <a href="login.html">退出</a>
18     </div>
19 </header>
20 <!--时间-->
21 <section class="publicTime">
22     <span id="time">2015年1月1日 11:11  星期一</span>
23     <a href="#">温馨提示：为了能正常浏览，请使用高版本浏览器！（IE10+）</a>
24 </section>
25 <!--主体内容-->
26 <section class="publicMian">
27     <div class="left">
28         <h2 class="leftH2"><span class="span1"></span>功能列表 <span></span></h2>
29         <nav>
30             <ul class="list">
31                 <li ><a href="billList.html">账单管理</a></li>
32                 <li><a href="providerList.html">供应商管理</a></li>
33                 <li><a href="userList.html">用户管理</a></li>
34                 <li><a href="password.html">密码修改</a></li>
35                 <li><a href="login.html">退出系统</a></li>
36             </ul>
37         </nav>
38     </div>
39     <div class="right">
40         <img class="wColck" src="${pageContext.request.contextPath}/jsp/img/clock.jpg" alt=""/>
41         <div class="wFont">
42             <h2>Admin</h2>
43             <p>欢迎来到超市账单管理系统!</p>
44         </div>
45     </div>
46 </section>
47 <footer class="footer">
48     版权归北大青鸟
49 </footer>
50 <script src="${pageContext.request.contextPath}/jsp/js/time.js"></script>
51 </body>
52 </html>
    View Code

    以上只是一个登录实现的功能。。。。以后会陆续实现没有完成的功能块，尽情期待吧！
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  • 原文地址：https://www.cnblogs.com/ruyan886621/p/7416429.html
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